How did the work of geologists support Darwin’s theories about evolution?

Biology

1 answer:

Zigmanuir [339]2 years ago

4 0

The evolution in plant cells and appearance along with the adaptations of animals and plants

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Easter Island is a small island in the southern Pacific Ocean. It lies approximately 3,500 kilometers east of Chile and is consi

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Explanation:Define as it relates to adaptation

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Point where crossing over takes place between chromatids of the homologous chromosomes during prophase 1

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Answer:

Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I.

Explanation:

When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I.

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4. Why did you pick this macromolecule as the most<br> important?

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Answer:

cassidywilson553494 avatar

Protein,or Carbohydrates,or,Lipids, or , nucleic acid

Explanation:

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2 years ago

You have a strand of hair from a crime scene but can’t tell if it is from an intruder or the family dog. If the hair otherwise l

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You would examine the follicle.

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Matings between individuals from the two populations of Rhagoletis produce hybrid flies that appear to be healthy and have norma

Mama L [17]

<h2>The correct answer is : C.</h2>

Explanation:

According to the question, mating between two populations of Rhagoletis produce hybrid flies.
This means that the two population is present in the same habitat or locality, hence they are capable of coming in contact with each other and mate. Hence, the answer cannot be Habitat Isolation.
Mating produces hybrid flies. This is possible when the gametes (egg and sperm) of the two different populations are capable of capable of coming close to each other and undergoing fusion (fertilization). Hence, there is no Mechanical Isolation.
The zygote formed by the above fertilization is capable of developing into healthy hybrid flies with normal life span. Hence, Pre-zygotic Isolation is absent.
But the hybrid flies formed are sterile and not fertile, that is, they are incapable of producing viable gametes which can undergo fertilization and produce a new offspring.Therefore, the eggs laid by the hybrid flies hatch less often. Hence, there is existence of Reduced hybrid fertility.

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3 years ago